Professional strength cleanser specifically designed for all types of dental appliances. Dissoves away stains that brushing leaves behind. Removes coffee, tea, tobacco, and iron stains as well as plaque, tartar, calcium and calculus. Safe to use on aligners, retainers, partial dentures, full dentures, invisalign, mouthguards. Ingredients: Potassium peroxymonopersulfate Citric acid Potassium bisulphate Magnesium carbonate Potassium sulphate Peppermint extract Potassium peroxydisulphate